Abstract
Solar pond is an artificially constructed pond in which significant temperature rise occurs in the lower region by preventing convection. To prevent convection, salt water is used in the pond. Those ponds are called ‘‘Salt Gradient Solar Pond’’. Salt gradient solar ponds are an environmentally friendly energy resource, capable of providing 60 - 85°C water for process heating, desalination and energy generation. In the last 15 years, many salt gradient solar ponds varying in size from a few hundred to a few thousand square meters of surface area have been built in a number of countries. Now- a-days, mini solar ponds are also being constructed for various thermal applications. Many of the salt gradient solar ponds are using sodium chloride. In this project work, a solar pond system was constructed with better insulation, transparent cover on the upper surface and also we analyses the temperature efficiency between sodium chloride and magnesium chloride. The temperatures within the pond was measured at various levels and compared with other works.
Highlights
Unmanned border patrol system consisting of high tech devices, like unmanned aerial vehicles, surveillance towers equipped with wireless camera used to monitor fishermen whose family’s main economical support is fishing
Contemporary Radio Frequency Identification (RFID) tags are capable of transmitting multiple bits of optional data along with the default tag ID.[5−8] additional circuitry like analog to digital converters (ADCs) and microcontrollers are required to digitize and embed the sensor data with the tag ID
We had introduced the fishermen border alert system controlled by ATMEGA microcontroller i.e. ATMEGA 328
Summary
Unmanned border patrol system consisting of high tech devices, like unmanned aerial vehicles, surveillance towers equipped with wireless camera used to monitor fishermen whose family’s main economical support is fishing. Accidentally crossing border without knowledge, they get shot by the Lankan navy. This leads to loss in the both humans as well as their economic incomes. The major problem in protecting long stretches of borders is the need for large human involvement. This system is designed to avoid such kind of accidents and to alert the fishermen about border area well before using latest technology of Global Positioning System (GPS) and Global System for Mobile communication (GSM) and monitored using IOT. We provide a compressed summary of literature reviews on key topics which related to fishermen border alert systems
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